1246612166421 has 8 divisors (see below), whose sum is σ = 1715767282944. Its totient is φ = 804265913760.

The previous prime is 1246612166413. The next prime is 1246612166447.

It is a happy number.

1246612166421 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1246612166421 - 2³ = 1246612166413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246612166411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6702215856 + ... + 6702216041.

It is an arithmetic number, because the mean of its divisors is an integer number (214470910368).

Almost surely, 2^{1246612166421} is an apocalyptic number.

It is an amenable number.

1246612166421 is a deficient number, since it is larger than the sum of its proper divisors (469155116523).

1246612166421 is a wasteful number, since it uses less digits than its factorization.

1246612166421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13404431931.

The product of its digits is 165888, while the sum is 42.

The spelling of 1246612166421 in words is "one trillion, two hundred forty-six billion, six hundred twelve million, one hundred sixty-six thousand, four hundred twenty-one".